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Finding the Fourth Proportional to 30,232.71, 41,725.73 and 21,762.88

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Solution

The fourth proportional to 30,232.71, 41,725.73 and 21,762.88 is: 30,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.71 : 41,725.73 = 21,762.88 : x
  2. Step 2: Convert to fraction form
    30,232.71/41,725.73 = 21,762.88/x
  3. Step 3: Cross multiply
    30,232.71x = 41,725.73 × 21,762.88
  4. Step 4: Simplify right side
    30,232.71x = 908,072,005.00
  5. Step 5: Solve for x
    x = 908,072,005.00/30,232.71
  6. Step 6: Final answer
    x = 30,036.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.